This How to Guide : Tutorial Helps you go through the CM 7.1 RC1 (Android 2.3.7) Installation Process fairly . From CyanogenMod Blog announced Officially of this Release Candidate 1 of CyanogenMod 7.1.0 Update , that has been released. CM 7.1 is based on Android 2.3.7 Gingerbread : Supports 28 new Devices which are here, that can seen below: with CM7.1 Android 2.3.7 Change Log HERE.

Please Keep in Mind : this CM 7.1 Installation Proces s at your own risk, and we Grabi.org is not Responsible for any Loss of Data as a result of malfunctioning of your Ansroid Based Devices, when following this CyanogenMod 7.1 Installation Guide.

* Your Android Phone must Charge with Full Battery to atleast Entire processing. If Battery Runs out while Flashing process, will brick your Smartphone and Restoring it to original state can be very difficult, impossible in many cases.

Install CM 7.1 Android 2.3.7 Gingerbread on 68 Android Phones

Step 2 – Now Transfer the CM7.1.zip file to the Root (Parent Directory) of your Android Smartphone. You can also do this after Connecting your Phone via USB Cable.

Step 3 – When Transfered that .zip file, now Turn OFF your Device.

Step 4 – Using a specific combination of keys, you must now boot into ClockworkMod Recovery (CWM). This combination is different for different devices, so you’ll need to look it up on Google.

Step 5 – Using the volume up/down, home and back keys, navigate to backup and storage > backup. CWM will now take what is called a nandroid backup of your device which you can use later on if you wish to revert to current setup.

Step 6 – Once Backup Completyes, Scroll Down to mounts and Storage and Format/System and also Format/data and Format/Cache too.

“Similarly, go back to main menu and wipe data / factory reset.”

Step 7 – Here is the Step to Flash CM7.1 on Android Device/Phone.

* From the Main Mnu: Install zip from SDcard=>Choose Zip from SD Card=>(Name of the file you Downoaded in Step 1).

* Now CM7.1 Flashing will Continue Process

Step 8 – Once CyanogenMod 7.1 Flashing Completes, Reboot your Phone/Device from the Reboot System Option on CWM’s Main Menu.

Followed the steps correctly? Then your phone should now boot into a freshly baked Android 2.3.7 Gingerbread-based stable build of CyanogenMod 7.1. This was Tested on Samsung Galaxy S II and can confirm that it works absolutely fine! Via